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Post Date : Friday July 21 2006

"Soluble Sensors of Telephonic Signals"
(Garnett and Remo, 200th Meeting of Electrochemical Society, Abstract 185, 2000)

Merrill Garnett and John L. Remo
Garnett McKeen Laboratory, Inc.
High Technology Incubator
SUNY Campus, Stony Brook, NY 11790

ABSTRACT

Certain biopolymers such as DNA can be mixed with hyaluronic acid, to produce electronic impedance spectra with pseudoinductance loops. Since the loops do not appear in assays of the individual polymers, including the hyaluronic acid, the process resembles the mutual inductance of twin wire transmission cable. The polymer inductance loops are studied for reactivity to the field effects of a cellular phone signal. In addition a synthetic liquid crystal polymer is studied for its morphologic response to the same signal. Both systems show modulation by telephonic signals.

INTRODUCTION

We have found pseudo inductance (1,2) in aqueous mixtures of DNA and hyaluronic acid. The two polymers combined in solution regularly show a rounded clockwise loop in the impedance plot (Nyquist), which they do not show individually (Fig.1). The reversal of phase in the lower portion of the loop resembles the inductive behavior of a current-carrying wire or coil, manifesting a lag in current. Thus it would appear the two linear polymers are associated enough in solution to behave electrically as parallel or possibly twisted wires and so resemble twin wire transmission cable (3). An experiment was designed to introduce a cellular phone signal to the mixture of paired polymers during the duration of the impedance plot.

In addition, a synthetic liquid crystal polymer composed of palladium, and lipoic acid (PLA) was chosen for the study. Since PLA shows structural changes as a response to electric or magnetic fields (Freedericks transition), the microscopic structural response of PLA to a cellular phone signal was observed.

The two methods explore electronic signaling in aqueous solutions.

Electrochemical Society Proceedings Volume 2000-19